Earthquake Hazards Program

Skip to main content

Magnitude 6.6 - OFF THE COAST OF NORTHERN CALIFORNIA - uszkal

2005 June 17 06:21:41 UTC

A strong earthquake occurred at 06:21:41 (UTC) on Friday, June 17, 2005. The magnitude 6.6 event has been located OFF THE COAST OF NORTHERN CALIFORNIA. (This event has been reviewed by a seismologist.)

Earthquake Details

Magnitude 6.6
Date-Time
  • Friday, June 17, 2005 at 06:21:41 (UTC)
    = Coordinated Universal Time
  • Thursday, June 16, 2005 at 10:21:41 PM
    = local time at epicenter
  • Time of Earthquake in other Time Zones
    Location 40.758°N, 126.595°W
    Depth 10 km (6.2 miles) set by location program
    Region OFF THE COAST OF NORTHERN CALIFORNIA
    Distances
  • 198 km (123 miles) W (277°) from Ferndale, CA
  • 201 km (125 miles) W (272°) from Humboldt Hill, CA
  • 201 km (125 miles) WNW (285°) from Petrolia, CA
  • 205 km (127 miles) W (270°) from Eureka, CA
  • 489 km (304 miles) NW (314°) from San Francisco City Hall, CA
  • Location Uncertainty horizontal +/- 3.5 km (2.2 miles); depth fixed by location program
    Parameters Nst=239, Nph=239, Dmin=241.3 km, Rmss=0.98 sec, Gp= 47°,
    M-type=teleseismic moment magnitude (Mw), Version=Q
    Source USGS NEIC (WDCS-D)
    Event ID uszkal

    • Preliminary Earthquake Report
    • U.S. Geological Survey, National Earthquake Information Center
      World Data Center for Seismology, Denver


    Accessibility FOIA Privacy Policies and Notices

    Take Pride in America home page. FirstGov button U.S. Department of the Interior | U.S. Geological Survey
    URL: http://eqweb-menlo.wr.usgs.gov/eqcenter/eqinthenews/2005/uszkal/index.php
    Page Contact Information: Web Team
    Page Last Modified: March 20, 2007 12:41:06 PM.